JPS572473A - Water wheel bottom ring - Google Patents

Water wheel bottom ring

Info

Publication number
JPS572473A
JPS572473A JP7562980A JP7562980A JPS572473A JP S572473 A JPS572473 A JP S572473A JP 7562980 A JP7562980 A JP 7562980A JP 7562980 A JP7562980 A JP 7562980A JP S572473 A JPS572473 A JP S572473A
Authority
JP
Japan
Prior art keywords
bottom ring
plate material
production cost
water wheel
uniform thickness
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP7562980A
Other languages
Japanese (ja)
Inventor
Isao Yanagida
Morimichi Shinohara
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP7562980A priority Critical patent/JPS572473A/en
Publication of JPS572473A publication Critical patent/JPS572473A/en
Pending legal-status Critical Current

Links

Classifications

    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/20—Hydro energy

Abstract

PURPOSE: To reduce the production cost and also to enhance reliability by forming a bottom ring from an even plate material which has nearly uniform thickness measureed from its outer periphery to its inner periphery and providing a guide vane lower stem bearing in this plate material.
CONSTITUTION: A bottom ring 26 is formed by using an even plate material which has nearly uniform thickness measured from its outer periphery to its inner periphery, and a lower stem bearing of a guide vane 16 is arranged in this material. By this mechanism, its construction becomes simple leading to a reduction of its production cost and a welded portion can be spared at the same time, hence its sufficient rigidity and strength can be provided, leading to an enhancement of the reliability.
COPYRIGHT: (C)1982,JPO&Japio
JP7562980A 1980-06-06 1980-06-06 Water wheel bottom ring Pending JPS572473A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7562980A JPS572473A (en) 1980-06-06 1980-06-06 Water wheel bottom ring

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7562980A JPS572473A (en) 1980-06-06 1980-06-06 Water wheel bottom ring

Publications (1)

Publication Number Publication Date
JPS572473A true JPS572473A (en) 1982-01-07

Family

ID=13581717

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7562980A Pending JPS572473A (en) 1980-06-06 1980-06-06 Water wheel bottom ring

Country Status (1)

Country Link
JP (1) JPS572473A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3501883C1 (en) * 1985-01-22 1986-08-28 J.M. Voith Gmbh, 7920 Heidenheim Cover for turbines and pumps
US6509179B1 (en) 2000-10-12 2003-01-21 Barbara I. Veldhuis-Stribos Continuous process for preparing lactic acid

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3501883C1 (en) * 1985-01-22 1986-08-28 J.M. Voith Gmbh, 7920 Heidenheim Cover for turbines and pumps
US4708590A (en) * 1985-01-22 1987-11-24 J.M. Voith Gmbh Cover for turbines and pumps
US6509179B1 (en) 2000-10-12 2003-01-21 Barbara I. Veldhuis-Stribos Continuous process for preparing lactic acid

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